Barney Falls
If you see the beginning of the Best of Barney (before the show actually begins. More like the overture) , they show a tiny clip from one of the Barney episodes where he jumps into the small pool and splashes all the water out. They show a snippet of the original clip and Barney jumps into the pool and he clearly slips and falls backward, but they cut the clip before he's all the way down.
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